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Create a multipart/related MIME Entity

Demonstrates the Chilkat Mime.NewMultipartRelated method, which initializes the object as an empty multipart/related entity. It takes no arguments; the primary part and its related resources are then appended.

Note: The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: multipart/related ties a primary part to the resources it references — most commonly an HTML body and the inline images it embeds via cid: references. Unlike a plain attachment, a related image is displayed within the message rather than listed separately. The HTML part comes first, followed by each referenced resource with a matching Content-ID.

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llSuccess = .F.

//  Demonstrates the Mime.NewMultipartRelated method, which initializes the object as an empty
//  multipart/related entity, clearing any existing content.  It takes no arguments.

loMime = createobject("CkMime")

llSuccess = loMime.NewMultipartRelated()
if (llSuccess = .F.) then
    ? loMime.LastErrorText
    release loMime
    return
endif

//  multipart/related groups a primary part with the resources it references, such as an HTML body
//  and the inline images it displays.
loHtmlPart = createobject("CkMime")
llSuccess = loHtmlPart.SetBodyFromHtml('<html><body><img src="cid:logo"></body></html>')
if (llSuccess = .F.) then
    ? loHtmlPart.LastErrorText
    release loMime
    release loHtmlPart
    return
endif

llSuccess = loMime.AppendPart(loHtmlPart)
if (llSuccess = .F.) then
    ? loMime.LastErrorText
    release loMime
    release loHtmlPart
    return
endif

llSuccess = loMime.AppendPartFromFile("qa_data/logo.png")
if (llSuccess = .F.) then
    ? loMime.LastErrorText
    release loMime
    release loHtmlPart
    return
endif

? "Number of parts: " + str(loMime.NumParts)


release loMime
release loHtmlPart